She ___ be ill. I have just seen her playing basket ball in the school yard.

You _______ touch that switch.

Marcela didn’t come to class yesterday. She______ an accident.

Henry’s car stopped on the highway. It_______out of gas.

Jane often wears beautiful new clothes. She _______ be very rich.

Thomas received a warning for speeding. He ______so fast.

John is not at home. He _____ go somewhere with Daisy. I am not sure.

I _______ find my own way there. You _______ wait for me.

Oh no! I completely forgot we were supposed to pick Jenny up at the airport this morning.- She _______ there waiting for us.

He is unreliable. What he says _______ be believed.

Peter has been working for 10 hours. He _______ be very tired now.

_______ I have a day off tomorrow? - Of course not. We have a lot of things to do.

Chọn từ thích hợp điền vào chỗ trống:

Keep quiet. You _______ talk so loudly in here. Everybody is working.

Susan ___ hear the speaker because the crowd was cheering so loudly.

Hiking the trail to the peak _______ be dangerous if you are not well prepared for dramatic weather changes. You _______ research the route a little more before you attempt the ascent.

Sharon was supposed to be here at nine o’clock. She ________about meeting.